Roper, K. O., & Payant, R. P. (2014). The facility management handbook (Fourth edition.). AMACOM.
Tohutoru Kātū Chicago (17th ed.)Roper, Kathy O., me Richard P. Payant. The Facility Management Handbook. Fourth edition. Broadway, New York: AMACOM, 2014.
Tohutoro MLA (9th ed.)Roper, Kathy O., me Richard P. Payant. The Facility Management Handbook. Fourth edition. AMACOM, 2014.
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